A rare fern, Asplenium lepidum C. Presl subsp. haussknechtii (Godet et Reut.) Brownsey, was found in the Crimean Nature Reserve. This is the first report of this taxon for the flora of Crimea, Ukraine, and Eastern Europe. The issues on morphology, taxonomy and origin of the Crimean population of Asplenium lepidum are discussed.
Keywords: floristic record, Asplenium lepidum subsp. haussknechtii, ferns, Crimean Nature Reserve, Crimea, flora of Ukraine
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